The brain itself does not have any agony receptor endings, it is the dura which is innervated by headache receptors and produces what we call as headache.So whenever here will be irritation to the dural membrane present around the brain we will experience headache
thats right - the dura has the backache receptors but these pain signals are processed in the brain itself-
There are many masses different causes for headache - anything which alters the volume of the brain in the skull (hi blood pressure, decreased venous return from the brain, brain tumour etc) as resourcefully as inflammation of the dura or meninges (meningitis), Sometimes its caused by neural or rudeness problems or even vascular spasm, which might give you the 'throbbing headache' or migraine...or may be referred by muscles within the face
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